CN117311771A - Optical amplifying device, logic updating method thereof, storage medium and program product - Google Patents
Optical amplifying device, logic updating method thereof, storage medium and program product Download PDFInfo
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- CN117311771A CN117311771A CN202210716986.7A CN202210716986A CN117311771A CN 117311771 A CN117311771 A CN 117311771A CN 202210716986 A CN202210716986 A CN 202210716986A CN 117311771 A CN117311771 A CN 117311771A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 125
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000005086 pumping Methods 0.000 claims abstract description 44
- 238000004590 computer program Methods 0.000 claims description 18
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 230000006854 communication Effects 0.000 description 15
- 238000004891 communication Methods 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
- G06F8/656—Updates while running
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1051—Data output circuits, e.g. read-out amplifiers, data output buffers, data output registers, data output level conversion circuits
- G11C7/106—Data output latches
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1078—Data input circuits, e.g. write amplifiers, data input buffers, data input registers, data input level conversion circuits
- G11C7/1087—Data input latches
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Abstract
The application discloses an optical amplifying device and a logic updating method, a storage medium and a program product thereof, wherein the optical amplifying device comprises an optical amplifier module, a pumping driving module, a latch module and a control module, wherein the control module is connected to the optical amplifier module sequentially through the latch module and the pumping driving module, and before logic updating operation is required, the control module can send a latch control signal to the latch module so as to enable driving current output to the optical amplifier module by the pumping driving module to be maintained within a preset range. According to the technical scheme of the embodiment of the application, only the latch module is needed to be additionally arranged in the optical amplifying device, so that the resource cost is low; and the pumping driving module is locked by the latch module during the logic updating operation, so that the driving current is kept stable, the output optical power of the optical amplifier module is kept stable, and the condition that the service of the optical amplifying device is interrupted during the logic updating operation is reduced.
Description
Technical Field
The present invention relates to the technical field of optical communication networks, and in particular, to an optical amplifying device, a logic updating method, a storage medium, and a program product thereof.
Background
At present, with the continuous development of communication technology, the information transmission amount is continuously increased, and the wavelength division communication network is greatly developed. The communication devices of various functions are continuously updated iteratively, and the purpose of the communication devices is to enable larger, faster and more stable traffic to be transferred in the communication process. However, when the device version is updated, normal transmission of the service may be affected.
Specifically, for long-distance optical transmission, with the increase of the transmission distance, the optical power gradually decreases, and in order to ensure the correct reception of the signal, an optical amplification board needs to be connected to amplify the optical signal, where the optical amplification board is generally used in the OMS section (Optical Multiplex Section, optical multiplexing section), and the carried traffic is relatively large. Common upgrades for optical amplification boards are typically single board software version upgrades and single board logic version upgrades. The software upgrade does not cause service damage, but when a logic program is defective or new functions are added and need to be upgraded, the logic needs to be reloaded, so that the pumping driving current is influenced, the light emitting of the light amplifying board is influenced, the service is temporarily interrupted, and the communication fault with very large influence is caused. Therefore, the logic version of the single board is generally not upgraded, and the operation is performed by selecting a time period with minimum service, so that the influence is controlled to be the lowest as possible. At present, although there are a few upgrade strategies, the existing upgrade strategies often have the following disadvantages: service interruption or high resource cost cannot be avoided.
Disclosure of Invention
The embodiment of the application provides an optical amplifying device, a logic updating method, a storage medium and a program product thereof, which not only have low resource cost, but also can reduce the condition that service is interrupted during logic updating.
In a first aspect, an embodiment of the present application provides an optical amplifying device, including: an optical amplifier module; one end of the pumping driving module is connected with the optical amplifier module; a latch module connected to the other end of the pumping driving module; and the control module is connected with the latch module and is used for sending a latch control signal to the latch module before logic updating operation so as to maintain the driving current output to the optical amplifier module by the pumping driving module within a preset range.
In a second aspect, an embodiment of the present application further provides a logic updating method of an optical amplifying device, where the optical amplifying device includes an optical amplifier module, a pumping driving module, a latch module, and a control module, where the control module is connected to the optical amplifier module sequentially through the latch module and the pumping driving module; the method is applied to the control module and comprises the following steps: acquiring a logic updating command, downloading a logic data packet according to the logic updating command and generating a latch control signal; and sending the latch control signal to the latch module so as to maintain the driving current output by the pumping driving module to the optical amplifier module within a preset range until the logic updating operation is completed according to the logic data packet.
In a third aspect, embodiments of the present application also provide a computer-readable storage medium storing computer-executable instructions for performing the logic update method as described above.
In a fourth aspect, embodiments of the present application further provide a computer program product comprising a computer program or computer instructions stored in a computer readable storage medium, from which the computer program or computer instructions are read by a processor of a computer device, the processor running the computer program or computer instructions such that the computer device performs the logic update method as described above.
In this embodiment of the present application, the optical amplifying device includes an optical amplifier module, a pumping driving module, a latch module and a control module, where the control module is connected to the optical amplifier module sequentially through the latch module and the pumping driving module, and before logic update operation is required, the control module sends a latch control signal to the latch module, so that a driving current output to the optical amplifier module by the pumping driving module is maintained within a preset range. According to the technical scheme of the embodiment of the application, only the latch module is needed to be additionally arranged in the optical amplifying device, so that the resource cost is low; and the pumping driving module is locked by the latch module during the logic updating operation, so that the driving current is kept stable, the output optical power of the optical amplifier module is kept stable, and the condition that the service of the optical amplifying device is interrupted during the logic updating operation is reduced.
Drawings
FIG. 1 is a schematic diagram of an optical amplifying device according to an embodiment of the present disclosure;
FIG. 2 is a flow chart of a logic updating method of an optical amplifying device according to one embodiment of the present application;
FIG. 3 is a flow chart of a logic updating method of an optical amplifying device according to another embodiment of the present application;
FIG. 4 is a flow chart of a logic updating method of an optical amplifying device according to another embodiment of the present application;
FIG. 5 is a flow chart of a logic updating method of an optical amplifying device according to another embodiment of the present application;
fig. 6 is a general flowchart of a logic updating method of an optical amplifying device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical methods and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
It should be noted that although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order different from that in the flowchart. The terms first, second and the like in the description and in the claims and in the above-described figures, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
At present, with the continuous development of communication technology, the information transmission amount is continuously increased, and the wavelength division communication network is greatly developed. The communication devices of various functions are continuously updated iteratively, and the purpose of the communication devices is to enable larger, faster and more stable traffic to be transferred in the communication process. However, when the device version is updated, normal transmission of the service may be affected.
Specifically, for long-distance optical transmission, with the increase of the transmission distance, the optical power gradually decreases, and in order to ensure the correct reception of the signal, an optical amplification board needs to be connected to amplify the optical signal, where the optical amplification board is generally used in the OMS section (Optical Multiplex Section, optical multiplexing section), and the carried traffic is relatively large. Common upgrades for optical amplification boards are typically single board software version upgrades and single board logic version upgrades. The software upgrade does not cause service damage, but when a logic program is defective or new functions are added and need to be upgraded, the logic needs to be reloaded, so that the pumping driving current is influenced, the light emitting of the light amplifying board is influenced, the service is temporarily interrupted, and the communication fault with very large influence is caused. Therefore, the logic version of the single board is generally not upgraded, and the operation is performed by selecting a time period with minimum service, so that the influence is controlled to be the lowest as possible.
At present, although there are a plurality of upgrading strategies, some upgrading strategies can shorten service interruption time by accelerating the configuration time of the field programmable gate array, but cannot avoid service interruption; in addition, the upgrade strategy adopts a main board and a standby board, and the service interruption can be avoided, but the resource cost is high.
Based on this, the embodiments of the present application provide an optical amplifying device, a logic updating method thereof, a computer-readable storage medium, and a computer program product, which not only have low resource costs, but also reduce the occurrence of traffic being interrupted during logic updating.
Embodiments of the present application are further described below with reference to the accompanying drawings.
As shown in fig. 1, fig. 1 is a schematic structural diagram of an optical amplifying device according to an embodiment of the present application.
The optical amplifying device of the embodiment of the present application includes, but is not limited to, an optical amplifier module 400, a pumping driving module 300, a latch module 200, and a control module 100, wherein the control module 100 is connected to the optical amplifier module 400 through the latch module 200 and the pumping driving module 300 in sequence. Before the logic update operation is required, the control module 100 sends a latch control signal to the latch module 200 to maintain the driving current output from the pumping driving module 300 to the optical amplifier module 400 within a predetermined range. According to the technical scheme of the embodiment of the application, the latch module 200 is only required to be additionally arranged in the optical amplifying device, so that the resource cost is low; and the pumping driving module 300 is locked by the latch module 200 during the logic update operation so that the driving current is kept stable, thereby keeping the output optical power of the optical amplifier module 400 stable, and reducing the situation that the optical amplifying device is interrupted during the logic update.
In one embodiment, the control module 100 includes, but is not limited to, a processor 110 and a logic circuit 130, the processor 110 being coupled to the latch module 200 through the logic circuit 130. Wherein the processor 110 and the logic circuit 130 are connected by a bus 120.
In addition, in an embodiment, the optical amplifying device further includes, but is not limited to, an optical power collection module 500, and the control module 100 is further connected to the optical amplifier module 400 through the optical power collection module 500. Specifically, the control module 100 can collect the output optical power of the optical amplifier module 400 in real time through the optical power collection module 500 to know the working condition of the optical amplifier module 400.
It will be appreciated by those skilled in the art that the structure shown in fig. 1 is not limiting of the embodiments of the present application and may include more or fewer components than shown, or certain components may be combined, or a different arrangement of components.
Based on the structure of the optical amplifying device described above, various embodiments of the logic updating method of the optical amplifying device of the present application are presented below.
As shown in fig. 2, fig. 2 is a flowchart of a logic updating method of the optical amplifying device according to an embodiment of the present application, and the logic updating method may be applied to the control module in fig. 1, including, but not limited to, step S100 and step S200.
Step S100, obtaining a logic update command, downloading a logic data packet according to the logic update command and generating a latch control signal;
step 200, a latch control signal is sent to the latch module, so that the driving current output from the pumping driving module to the optical amplifier module is maintained within a preset range until the logic updating operation is completed according to the logic data packet.
Specifically, when the control module acquires the logic update command, the control module downloads a logic data packet corresponding to the logic update command, and also responds to the generation of a latch control signal; then, the control module sends a latch control signal to the latch module, and the pumping driving module is locked through the latch module, so that the driving current output by the pumping driving module to the optical amplifier module is maintained within a preset range; then, the control module performs updating operation of the logic program according to the logic data packet; finally, after the control module completes the updating operation of the logic program, the latch module is unlocked.
According to the technical scheme of the embodiment of the application, only the latch module is needed to be additionally arranged in the optical amplifying device, so that the resource cost is low; and the pumping driving module is locked by the latch module during the logic updating operation, so that the driving current is kept stable, the output optical power of the optical amplifier module is kept stable, and the condition that the service of the optical amplifying device is interrupted during the logic updating operation is reduced.
In an embodiment, regarding the above-mentioned logic update command, the logic update command may be input by a user, for example, the user inputs the logic update command by means of a computer, and sends the logic update command to the control module through the interface.
In addition, in an embodiment, the above-mentioned preset range may be preset, and the current value in the preset range is not particularly limited in the embodiment of the present application.
In addition, as shown in fig. 3, fig. 3 is a flowchart of a logic updating method of the optical amplifying device according to another embodiment of the present application; after the logic update operation is completed according to the logic data packet in the above step S200, the logic update method of the embodiment of the present application further includes, but is not limited to, step S300.
And step S300, stopping sending the latch control signal to the latch module when the logic updating operation is completed according to the logic data packet.
Specifically, since the service is not interrupted during the logic update operation, but is not interrupted after the logic update operation is completed, the latch control signal is sent to the latch module in response to the stop after the logic update operation is completed according to the logic data packet.
In addition, as shown in fig. 4, fig. 4 is a flowchart of a logic updating method of the optical amplifying device according to another embodiment of the present application; the control module is provided with an LE interface and is connected to the latch module through the LE interface; regarding the transmission of the latch control signal to the latch module in step S200 described above, including but not limited to step S400.
Step S400, a latch control signal is sent to the latch module through the LE interface, and the latch control signal is maintained as a low level signal.
Specifically, before the logic program is updated, the control module controls the output level of the LE interface to be low, and the pumping driving module is enabled to be locked through the latch module, and in the period that the pumping driving module cannot be regulated due to logic updating, the pumping driving module is locked by the latch module, so that the driving current can be kept stable, and the output optical power of the optical amplifier module is unchanged, so that the service is not interrupted.
In addition, as shown in fig. 5, fig. 5 is a flowchart of a logic updating method of the optical amplifying device according to another embodiment of the present application; the control module comprises a logic circuit which is connected with the latch module; regarding the logical update operation in step S200 described above, including but not limited to step S500.
And S500, updating the logic program stored in the logic circuit by adopting the logic data packet.
Specifically, after the control module downloads the logic data packet and enables the pump driving module to be locked through the latch module, the control module updates the logic program stored in the logic circuit by using the logic data packet.
Based on the structure and logic updating method of the optical amplifying device described above, the following proposes an overall embodiment of the logic updating method of the optical amplifying device of the present application.
Under the condition that a latch module is not additionally arranged, in the normal operation process of the optical amplifying device, if a logic updating command such as a logic updating command is received, firstly, a CPU (Central Processing Unit, a central processing unit) downloads data of a logic data packet, and adopts the logic data packet to logically load a logic circuit. After the logic loading is completed, the normal regulation of the pump driving module is resumed, the light output power of the optical amplifier module becomes normal, and the service is resumed.
According to the service interruption problem in the logic upgrading flow, the embodiment of the application proposes to add a latch mechanism in the period of loading the logic to lock the pumping driving module, so that the pumping current is always kept stable, the optical amplifier module is enabled to stably emit light, and service damage is avoided. The technical scheme of the embodiment of the application comprises the following steps of, but not limited to: 1. before upgrading the logic, the processor locks the pump drive module through the latch module. 2. In the logic upgrading process, logic can be reloaded, and the current value of pumping current of the pumping driving module is not changed because the pumping driving module is locked, so that the light emitting of the optical amplifier module is not influenced, and the service stability is kept. 3. After the upgrading is finished, the pump driving module is unlocked and stored, and the logic circuit resumes adjusting the pump driving module to control the driving current, namely the magnitude of the pump current, so that the optical output power of the optical amplifier module can be adjusted normally, and the service is recovered to be normal.
In one embodiment, the processor is connected to an FPGA (Field Programmable Gate Array ) via a bus, and accesses IIC interface devices on the logic via the FPGA. In order to solve the problem of service interruption in the logic upgrading stage, a latch module is newly added in hardware, the software introduces a memory mechanism function, before the logic is upgraded, a processor writes a logic chip through an IIC interface, controls the LE level of an output interface to be low level, enables the latch module to lock a pumping driving module, and in the period of time that the pumping driving module cannot be regulated by logic reloading, the pumping driving module is locked by the latch module, the current can be kept stable, and the output optical power of an optical amplifier module is unchanged, so that the service cannot be interrupted.
As shown in fig. 6, fig. 6 is an overall flowchart of a logic updating method of an optical amplifying device according to an embodiment of the present application. In the normal operation process of the optical amplification device, if the processor detects that an upgrade command is issued, whether the optical amplification device belongs to logic upgrade or not is judged, if the upgrade command is the logic upgrade command, the processor downloads a logic data packet, the processor latches the pumping driving module through the latch module, and then the processor logically loads a logic circuit according to a logic configuration file of the logic data packet. Because the pumping driving module is latched in the period of loading the upgrade logic, the pumping current is unchanged, so that the light output of the optical amplifier module is stable, and the service is not affected.
In an embodiment, regarding the optical amplifier module described above, the optical amplifier module may be, but not limited to, an EDFA optical amplifier (Erbium Doped Fiber Amplifier, erbium-doped fiber amplifier), and the type of the optical amplifier module in the embodiments of the present application is not particularly limited.
In an embodiment, the pump driving module may be, but not limited to, a DAC (Digital to Analog Converter, digital-to-analog converter) pump driving, and the type of the pump driving module is not specifically limited in this embodiment.
Based on the structure and logic updating method of the optical amplifying device described above, various embodiments of the computer-readable storage medium and the computer program product of the present application are presented below.
An embodiment of the present application also discloses a computer-readable storage medium having stored therein computer-executable instructions for performing the logic updating method of the optical amplifying device as in any of the previous embodiments.
It should be noted that, since the computer readable storage medium according to the embodiment of the present application can perform the logic updating method of the optical amplifying device according to the above embodiment, the specific implementation and the technical effect of the computer readable storage medium according to the embodiment of the present application may correspond to the specific implementation and the technical effect of the logic updating method of the optical amplifying device described above.
Furthermore, an embodiment of the present application also discloses a computer program product, including a computer program or computer instructions, the computer program or computer instructions being stored in a computer readable storage medium, the computer program or computer instructions being read from the computer readable storage medium by a processor of a computer device, the processor executing the computer program or computer instructions, causing the computer device to perform the logic updating method of the optical amplifying device as in any of the previous embodiments.
It should be noted that, since the computer program product of the embodiment of the present application is capable of executing the logic updating method of the optical amplifying device of the above embodiment, the specific implementation and the technical effect of the computer program product of the embodiment of the present application may correspond to the specific implementation and the technical effect of the logic updating method of the optical amplifying device.
Those of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media.
Claims (10)
1. An optical amplifying device comprising:
an optical amplifier module;
one end of the pumping driving module is connected with the optical amplifier module;
a latch module connected to the other end of the pumping driving module;
and the control module is connected with the latch module and is used for sending a latch control signal to the latch module before logic updating operation so as to maintain the driving current output to the optical amplifier module by the pumping driving module within a preset range.
2. The optical amplification device of claim 1, further comprising an optical power acquisition module, wherein the control module is further coupled to the optical amplifier module via the optical power acquisition module.
3. An optical amplifying device according to claim 1 or 2, wherein the control module comprises a processor and logic circuitry, the processor being connected to the latch module by the logic circuitry.
4. An optical amplifying device according to claim 3 wherein said processor and said logic circuit are connected by a bus.
5. The logic updating method of the optical amplifying device comprises an optical amplifier module, a pumping driving module, a latch module and a control module, wherein the control module is connected to the optical amplifier module through the latch module and the pumping driving module in sequence; the method is applied to the control module and comprises the following steps:
acquiring a logic updating command, downloading a logic data packet according to the logic updating command and generating a latch control signal;
and sending the latch control signal to the latch module so as to maintain the driving current output by the pumping driving module to the optical amplifier module within a preset range until the logic updating operation is completed according to the logic data packet.
6. The method of claim 5, further comprising, after the until the logical update operation is completed according to the logical data packet:
and stopping sending the latch control signal to the latch module when the logic updating operation is completed according to the logic data packet.
7. The logic updating method according to claim 5, wherein the control module is provided with an LE interface, the control module being connected to the latch module through the LE interface; the sending the latch control signal to the latch module includes:
the latch control signal is sent to the latch module through the LE interface and is maintained as a low level signal.
8. The logic updating method according to claim 5, wherein the control module comprises a logic circuit, the logic circuit being connected to the latch module; the logical update operation includes:
and updating the logic program stored in the logic circuit by adopting the logic data packet.
9. A computer readable storage medium storing computer executable instructions for performing the logic updating method of any one of claims 5 to 8.
10. A computer program product comprising a computer program or computer instructions, characterized in that the computer program or the computer instructions are stored in a computer readable storage medium, from which the computer program or the computer instructions are read by a processor of a computer device, the processor running the computer program or the computer instructions such that the computer device performs the logic updating method of any of claims 5 to 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210716986.7A CN117311771A (en) | 2022-06-23 | 2022-06-23 | Optical amplifying device, logic updating method thereof, storage medium and program product |
| PCT/CN2023/074664 WO2023246112A1 (en) | 2022-06-23 | 2023-02-06 | Optical amplification device and logic updating method thereof, storage medium and program product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210716986.7A CN117311771A (en) | 2022-06-23 | 2022-06-23 | Optical amplifying device, logic updating method thereof, storage medium and program product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117311771A true CN117311771A (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210716986.7A Pending CN117311771A (en) | 2022-06-23 | 2022-06-23 | Optical amplifying device, logic updating method thereof, storage medium and program product |
Country Status (2)
| Country | Link |
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| CN (1) | CN117311771A (en) |
| WO (1) | WO2023246112A1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6556340B1 (en) * | 2001-04-06 | 2003-04-29 | Onetta, Inc. | Optical amplifiers and upgrade modules |
| CN1317599C (en) * | 2002-10-15 | 2007-05-23 | 中兴通讯股份有限公司 | Gain controlling method for reversed distributed multipumping Raman amplifier |
| JP6003581B2 (en) * | 2012-11-26 | 2016-10-05 | 富士通株式会社 | Optical amplifier |
| CN109687278B (en) * | 2019-01-02 | 2021-05-11 | 武汉光迅科技股份有限公司 | Method and device for on-line upgrading program of optical amplifier |
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2022
- 2022-06-23 CN CN202210716986.7A patent/CN117311771A/en active Pending
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- 2023-02-06 WO PCT/CN2023/074664 patent/WO2023246112A1/en unknown
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| Publication number | Publication date |
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| WO2023246112A1 (en) | 2023-12-28 |
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